poco m3 no network after shield remove - GSM-Forum

zaki789 · 05-18-2022, 20:39

hello i did solve the problem of dead boot bu removing the shield and the phone is powering on and off normally but now i have a new problem bouth sim cards readers dont work and note stable pleas i need som help

ryzaryzen2020 · 05-19-2022, 04:44

that is risky removing shield also cut under schematic line
even you will change the whole parts inside that area signal will never come because of line cut under the board

zaki789 · 05-19-2022, 13:37

Well i have signal in bouth sim card now when i switch to 2g only

dem6on · 06-03-2022, 12:38

replace all element and IC that was where and network will be.

dem6on · 06-03-2022, 12:39

replace all element and IC that was where and network will be 3G and 4G.there are power managment of 3G/4G.

05-18-2022, 20:39	#1 (permalink)
zaki789 Junior Member Join Date: Dec 2019 Location: algeria Posts: 2 Member: 2941927 Status: Offline Thanks Meter: 1	poco m3 no network after shield remove hello i did solve the problem of dead boot bu removing the shield and the phone is powering on and off normally but now i have a new problem bouth sim cards readers dont work and note stable pleas i need som help

05-19-2022, 04:44	#2 (permalink)
ryzaryzen2020 Freak Poster Join Date: Jun 2020 Location: masachusets Posts: 206 Member: 2958818 Status: Offline Thanks Meter: 25	that is risky removing shield also cut under schematic line even you will change the whole parts inside that area signal will never come because of line cut under the board

05-19-2022, 13:37	#3 (permalink)
zaki789 Junior Member Join Date: Dec 2019 Location: algeria Posts: 2 Member: 2941927 Status: Offline Thanks Meter: 1	Well i have signal in bouth sim card now when i switch to 2g only

06-03-2022, 12:38	#4 (permalink)
dem6on Junior Member Join Date: Apr 2007 Location: MD Posts: 29 Member: 480929 Status: Offline Thanks Meter: 15	replace all element and IC that was where and network will be.

06-03-2022, 12:39	#5 (permalink)
dem6on Junior Member Join Date: Apr 2007 Location: MD Posts: 29 Member: 480929 Status: Offline Thanks Meter: 15	replace all element and IC that was where and network will be 3G and 4G.there are power managment of 3G/4G.